Home / 14,506.02-20,017.80-8,218.26

Finding the Fourth Proportional to 14,506.02, 20,017.80 and 8,218.26

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Solution

The fourth proportional to 14,506.02, 20,017.80 and 8,218.26 is: 11,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506.02 : 20,017.80 = 8,218.26 : x
  2. Step 2: Convert to fraction form
    14,506.02/20,017.80 = 8,218.26/x
  3. Step 3: Cross multiply
    14,506.02x = 20,017.80 × 8,218.26
  4. Step 4: Simplify right side
    14,506.02x = 164,511,485.03
  5. Step 5: Solve for x
    x = 164,511,485.03/14,506.02
  6. Step 6: Final answer
    x = 11,340.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.